Hanna Instruments HI 83740 User Manual
Page 8
8
DISPLAY ELEMENTS DESCRIPTION
1) Four digit main display.
2) Battery icon: appears when the battery voltage is getting low.
3) The hourglass icon: appears during the countdown.
4) Status information.
5) Measurement unit.
6) Lamp status indicator.
7) Four digit secondary display.
1) Lid
2) Cuvet Holder
3) Liquid Crystal Display (LCD)
4) ON/OFF key, to turn the meter on and off
5) ZERO key, to zero the meter
6) TIMER key, to activate a countdown
7) READ key, to perform measurement
8) Power Socket 12V to 20V DC 2.5 Watt
FUNCTIONAL DESCRIPTION
FRONT
REAR
INSTRUMENT DESCRIPTION
13
• Turn the instrument on by pressing ON/OFF.
MEASUREMENT PROCEDURE
20 mL
20 mL
#1
#2
15 mL
#1
#2
• When the LCD displays “---”, it is ready.
• Use the 3 mL plastic pipette to fill two glass vials with
15 mL of wine sample (up to the mark).
Note: The liquid in the vial forms a convexity on the
top; the bottom of this convexity must be at the same
level of the mark.
• Use a clean 1 mL pipette to add 5 ml of Reagent A to
the first vial (#1)
• Use the second 1 mL pipette to add 5 ml of Reagent B
to the second vial (#2)